Answers

2014-06-27T16:35:06+05:30
You can write about India, China, USA, UK and Pakistan. 
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2014-06-28T10:10:14+05:30
Top 10 list: 

Norway 
Iceland 
Denmark 
Sweden 
New Zealand 
Australia 
Finland 
Switzerland 
Canada 
Netherlands 

The US is currently in 17th place.
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